public class caculate {
        static double addtion(int shu1, int shu2) {
            return (shu1 + shu2);
        }

        static double subtraction(int shu1, int shu2) {
            return (shu1 - shu2);
        }

        static double multiplication(int shu1, int shu2) {
            return (shu1 * shu2);
        }

        static double division(int shu1, int shu2) {
            double temp = 0;
            if (shu2 != 0) {
                temp = shu1 / shu2;
            } else
                temp = 0;
            return temp;
        }
}

